TDS

The ZT-2 is the first of HM Digital's new HMD line. It's a low-cost TDS meter that's perfect for those with multiple systems. Though inexpensive, this meter does not skimp on quality, features and read more ››

he COM-80 is easily the most advanced economically priced, reliable EC/TDS meter on the market. With its versatility and durability, it is ideal for testing applications such as hydroponics & read more ››

The only handheld TDS meter / EC meter with full scale digital calibration. A water tester that is perfect for both consumer or commercial use. Ideal for all water quality testing, water purification read more ››

What is an Additional Shipping Item?

Some products, due to weight or size of the item, require additional shipping charges. These items are indicated by the " " symbol.

If you want to know how much your shipping costs will be, just add the item to your shopping cart and your shipping costs will be adjusted to reflect the additional shipping charges. You can then decide if you wish to order the item or not.

Information

How To Contact Us

About Us

Mail Order Pet Supplies (or MOPS as we're often referred to) was created in 1996 with the objective of delivering affordable prices to
Tropical Fish Hobbyists! Over the years we have used our warehousing, logistic and electronic capabilities to bring pond, reptile, bird and other pet products
to our customers. Through MOPS - Aquarium Supplies we are offering high-quality, brand name Aquarium products including filters, heaters, pumps, lighting, nutrition and much more for the Tropical Fish Hobbyist.